* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  li {
    list-style: none;
  }
  /* 声明字体*/
  @font-face {
    font-family: electronicFont;
    src: url(../font/DS-DIGIT.TTF);
  }
  body {
    background: url(../images/bg.jpg) no-repeat top center;
    line-height: 1.15;
  }
  .w {
    width: 1200px;
    margin: auto;
  }
  .main {
    position: relative;
    height: 500px;
    margin: 0 auto;
    padding: 0 0.1875rem 0.5rem;
    border: 1px solid rgba(25, 186, 139, 0.17);
    margin-bottom: 0.1875rem;
    background: url(../images/line.png) rgba(255, 255, 255, 0.04);
  }
  .main::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 10px;
    height: 10px;
    border-left: 2px solid #02a6b5;
    border-top: 2px solid #02a6b5;
    content: "";
  }
  .main::after {
    position: absolute;
    top: 0;
    right: 0;
    width: 10px;
    height: 10px;
    border-right: 2px solid #02a6b5;
    border-top: 2px solid #02a6b5;
    content: "";
  }
  .main .footer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
  }
  .main .footer::before {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 10px;
    height: 10px;
    border-left: 2px solid #02a6b5;
    border-bottom: 2px solid #02a6b5;
    content: "";
  }
  .main .footer::after {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    border-right: 2px solid #02a6b5;
    border-bottom: 2px solid #02a6b5;
    content: "";
  }
  .main .chart {
    margin: auto;
    width: 500px;
    height: 500px;
  }
  header {
    position: relative;
    height: 100px;
    background: url(../images/head_bg.png) no-repeat;
    background-size: 100% 100%;
  }
  header h1 {
    font-size: 38px;
    color: #fff;
    text-align: center;
    line-height: 80px;
  }
  header .showTime {
    position: absolute;
    right: 30px;
    top: 0;
    line-height: 75px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 20px;
  }
  .title h2 {
    color: #fff;
  }
  